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US20130008162 GASOLINE PARTICULATE FILTER REGENERATION AND DIAGNOSTICS  
A method for operating a spark-ignition engine having a three-way catalyst and a particulate filter downstream thereof, comprising: oscillating an exhaust air-fuel ratio entering the particulate...
US20110072788 GASOLINE PARTICULATE FILTER REGENERATION AND DIAGNOSTICS  
A method for operating a spark-ignition engine having a three-way catalyst and a particulate filter downstream thereof, comprising: oscillating an exhaust air-fuel ratio entering the particulate...
US20150113961 Diesel Engine Nox Reduction  
An engine system for treating nitrogen oxides present in an exhaust gas generated by the combustion of fuel. The engine system includes one or more long breathing lean nitrogen oxide traps that...
US20150121847 EXHAUST THROTTLING FOR CABIN HEATING  
Embodiments for heating a vehicle cabin are disclosed. In one example, a method for heating a vehicle cabin comprises closing an exhaust throttle while diverting at least a portion of throttled...
US20110192142 FILTRATION DEVICE FOR EXHAUST GASES  
The filtration device (12) for exhaust gases from a heat engine, characterized in that it includes filtration means (14, 19) adapted to treat the gases circulating between a particulate filter (8)...
US20140090374 EXHAUST AFTERTREATMENT SYSTEM AND METHOD  
An engine exhaust gas treatment system includes an oxidation catalyst, a NOX adsorber, and a turbine. The oxidation catalyst and the NOX adsorber are fluidly connected to an exhaust manifold of...
US20140069080 CATALYST HEATING WITH EXHAUST BACK-PRESSURE  
Embodiments for controlling an exhaust back-pressure valve are provided. In one example, a method for operating an engine comprises closing an exhaust back-pressure valve in response to a...
US20140216030 EXHAUST SYSTEM WITH A REFORMER CATALYST  
An exhaust system for treating exhaust gas from an internal combustion engine is disclosed. The system comprises a three-way catalyst (TWC), a fuel reformer catalyst located downstream of the TWC,...
US20110247318 Exhaust heat exchanger  
An exhaust heat exchanger includes a water tank accommodating tubes and having an outside space defined outside of the tubes, a gas tank having an exhaust passage and an outside space defined...
US20140298800 EXHAUST LEAKAGE MANAGEMENT  
Embodiments may provide an exhaust gas management arrangement for an engine. The exhaust gas management arrangement may include a port disposed to capture an exhaust gas leaked from a movable...
US20140331643 DIESEL PARTICULATE FILTER PASSIVE REGENERATION DURING STATIONARY POWER TAKE-OFF  
The systems and method described above in the present disclosure allow for regeneration of a diesel particulate filter while a vehicle is in stationary power take-off mode. Described is a method...
US20110126520 Regeneration Method for Diesel Particulate Filter  
A regeneration control method of a particulate filter, may include regenerating the particulate filter, determining whether an engine is in an idle condition or in an over-run condition, and...
US20130111875 METHODS AND SYSTEMS FOR REGENERATING AN EXHAUST GAS RECIRCULATION COOLER  
Various methods and systems are provided for regeneration of an exhaust gas recirculation cooler. One example method includes adjusting cooling of exhaust gas by an exhaust gas recirculation...
US20140033685 EXHAUST SYSTEM HAVING AMMONIA SLIP CATALYST AND EGR CIRCUIT  
An exhaust system for a vehicular lean burn internal combustion engine that emits oxides of nitrogen (NOx) and particulate matter (PM) is disclosed. The system comprises a NOx reduction catalyst...
US20150240752 EXHAUST SYSTEM HAVING N2O CATALYST IN EGR CIRCUIT  
An exhaust system for an internal combustion engine is disclosed. The exhaust system comprises a particulate filter, one or more NOx reduction catalysts, and a low pressure exhaust gas...
US20150121848 EXHAUST THROTTLING FOR CABIN HEATING  
Embodiments for heating a vehicle cabin are disclosed. In one example, a method for an engine comprises pumping coolant from a coolant reservoir to an exhaust component and then to a heater core,...
US20090241515 EXHAUST CONDENSATION SEPARATOR  
An exhaust gas recirculation system disposed between an exhaust system and an intake system incorporates a water separator which separates acidic water from the exhaust gas prior to the exhaust...
US20140102080 NH3 EMISSIONS MANAGEMENT IN A NOX REDUCTION SYSTEM  
A system includes an internal combustion engine producing an exhaust gas, an aftertreatment system receiving the exhaust gas, the aftertreatment system including a particulate filter positioned...
US20130104525 INTEGRATED LNG GASIFICATION AND POWER PRODUCTION CYCLE  
The present disclosure provides an integrated power generating system and method and liquefied natural gas (LNG) vaporization system and method. More particularly, heat from a CO2 containing...
US20090113876 INTERNAL COMBUSTION ENGINE EXHAUST GAS SYSTEM  
An internal combustion engine exhaust gas system includes an EGR arrangement adapted to lead a first flow of exhaust gas, the EGR flow, from an outlet side of the engine to an inlet side of the...
US20080264038 Exhaust treatment system having an acidic debris filter  
An exhaust treatment system for a power source has an air induction system, an exhaust system and a recirculation system. The exhaust system includes a particulate filter. The recirculation system...
US20150226102 TECHNIQUES FOR CONTROL OF AN SCR AFTERTREATMENT SYSTEM  
A selective catalytic reduction (SCR) catalyst is disposed in an exhaust gas system of an internal combustion engine. A reductant injector is coupled to the exhaust gas stream at a position...
US20100083638 Exhaust system having sulfur removing device  
An exhaust system for an engine is disclosed. The exhaust system may include a passageway configured to receive exhaust from the engine, and a recirculation circuit. The recirculation circuit is...
US20140331668 DIRECT INJECTION OF DILUENTS OR SECONDARY FUELS IN GASEOUS FUEL ENGINES  
An engine system, comprising a first gaseous fuel source with a first gaseous fuel located therein coupled to one or more engine cylinders and an exhaust gas recirculation (EGR) system with a...
US20130298528 CLOSED LOOP TEMPERATURE CONTROL IN THE SCR WARM UP MODE TO REDUCE EMISSION VARIATION  
An exhaust aftertreatment system for a diesel engine includes a selective catalytic reduction (SCR) device and a diesel oxidation catalyst upstream of the SCR device. A method for warming-up the...
US20110023482 EGR EXTRACTION IMMEDIATELY DOWNSTREAM PRE-TURBO CATALYST  
A turbocharged, diesel engine has a small catalyst provided upstream of the turbocharger with EGR collected from the exhaust stream downstream of the catalyst and upstream of the turbocharger. By...
US20110173956 PARTICLE TRAP FOR AN EXHAUST GAS RECIRCULATION LINE AND AUTOMOBILE HAVING A PARTICLE TRAP  
A particle trap disposed between an exhaust gas line and an exhaust gas recirculation line includes at least one partially permeable hollow body separating the exhaust gas recirculation line from...
US20060266018 EXHAUST CONTROL SYSTEM IMPLEMENTING SULFUR DETECTION  
An exhaust control system for a power source is disclosed. The exhaust system has an air induction system, an exhaust system, and a recirculation system. The recirculation system is configured to...
US20060266019 Low-pressure EGR system and method  
A turbocharged engine (301) with a turbine (305) having an outlet (306) and a compressor (307) having an inlet (308). An exhaust gas treatment module (317) is disposed in fluid communication with...
US20070204598 Procedure and device to regenerate an exhaust gas purification system  
The invention concerns a procedure to control a regeneration of a particle filter in an exhaust gas purification system of a combustion engine, at which combustion air inlet is supplied via a...
US20120031079 HYBRID POWERTRAIN SYSTEM INCLUDING AN INTERNAL COMBUSTION ENGINE AND A STIRLING ENGINE  
An exhaust aftertreatment system for treating an exhaust gas feedstream of an internal combustion engine includes a catalytic converter, a fluidic circuit and a Stirling engine. The Stirling...
US20110237392 PRESSURE ACCUMULATION SYSTEM FOR INTERNAL COMBUSTION ENGINE  
A pressure accumulation system for an internal combustion engine can prevent exhaust pressure from excessively increasing when pressurized gas is contained in a pressure accumulation container. A...
US20110203260 EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE  
An exhaust purification system of an internal combustion engine arranging in an engine exhaust passage an NOx storing reducing catalyst storing NOx contained in exhaust gas when an air-fuel ratio...
US20060213184 ENGINE EXHAUST HEAT EXCHANGER  
A heat transfer system in an engine for transferring heat from the recirculated exhaust gas to an output of an engine exhaust system. The heat transfer may cool the recirculated exhaust for...
US20090288392 Engine system having particulate reduction device and method  
An internal combustion engine system includes an engine having an engine housing. The engine system further includes an exhaust system, and a turbine disposed within the exhaust system. A...
US20080256930 ENERGY SYSTEM AND METHOD FOR RECYCLING FUELS  
A closed energy system using carbon-containing fuels is described. The system includes a utilization portion, where a fuel is stored and consumed, and a recycling portion, where the products of...
US20090205334 Systems and Methods for Exhaust Gas Recirculation (EGR) for Turbine Engines  
Systems and methods may be provided for exhaust gas recirculation. The systems and methods may include receiving, via an intake section, inlet air at an input of a compressor, generating...
US20120279204 Drive Train, in Particular for a Motor Vehicle  
The invention concerns a drive train, in particular for a motor vehicle, having a heat flow generating drive motor;having a steam engine in a steam circuit, in which a working fluid is evaporated...
US20110146945 VEHICULAR CONTROL DEVICE  
During the time period from the start of an engine to the completion of a catalyst warming-up, the drive of a blower in an air-conditioning equipment is inhibited to suppress the heat-exchange of...
US20110072792 PARTICULATE FILTER REGENERATION DURING ENGINE SHUTDOWN  
Various systems and method are described for controlling an engine having an exhaust system which includes a particulate filter. One example method comprises, after shutting down the engine and...
US20110162350 ENGINE AND EXHAUST AFTERTREATMENT CONTROL  
A method of controlling an internal combustion engine and exhaust system having an SCR, and engine and exhaust system including an SCR, described herein, monitors, in real time, NOx conversion...
US20130318946 Process for Powering a Compression Ignition Engine and Fuel Therefor  
A diesel engine fuel composition comprising methanol at a level of at least 20% by weight of the fuel; water at a level at least 20% by weight of the fuel; a ratio of water to methanol of between...
US20130216473 CATALYTIC FUEL VAPORIZER AND FUEL REFORMER ASSEMBLY  
In one embodiment, an assembly for use with a lean NOx catalyst (LNC) is described. An outer tube is coupled to the LNC. An inner tube is disposed completely inside the outer tube. The exhaust...
US20120260630 COMBINED ENGINE OUT NOX MANAGEMENT  
An apparatus for controlling engine operations to a low NOx output amount at low selective catalytic reduction (SCR) temperature values and alternatively for controlling engine operations in an...
US20130086891 EXHAUST PORT STRUCTURE OF CYLINDER HEAD  
An exhaust port structure of a cylinder head includes a connection pipe communicating with a plurality of exhaust ports of the cylinder head and an exhaust hole connected to the connection pipe...
US20150101564 METHODS AND SYSTEMS FOR AN INTAKE OXYGEN SENSOR  
Methods and systems are provided for correcting an EGR rate determined based on an intake manifold oxygen sensor based on an air-fuel ratio of EGR. The output of the sensor is corrected to...
US20090120064 Engine Starting Control for Engine with Hydrocarbon Retaining System  
Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold....
US20140208717 ENGINE SYSTEM WITH PASSIVE REGENERATION OF A FILTER IN EGR LOOP  
An engine system for a machine is disclosed. The engine system may have an intake manifold configured to direct air into a donor cylinder and a non-donor cylinder of an engine. The engine system...
US20110314797 PRESSURE BALANCED EXHAUST GAS RECIRCULATION ASSEMBLY FOR A LOCOMOTIVE TWO-STROKE UNIFLOW SCAVENGED DIESEL ENGINE  
A two-stroke uniflow scavenged diesel engine system including an exhaust gas recirculation (EGR) system is described for reducing NOX emissions and achieving desired fuel economy by recirculating...
US20060124116 Clean gas injector  
A clean gas induction (CGI) injector having an intake air conduit with inner diameter and defining an intake air flow path, and a CGI conduit defining a clean gas flow path. The CGI conduit...

Matches 1 - 50 out of 181 1 2 3 4 >